Thornhill
Canada
4
2016-01-28
The entities that hold a legal rights for patent applications filed by inventor Lev Frank:
Frank Lev from Thornhill, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
Light-Weight Bipolar Valve Regulated Lead Acid Batteries and Method
#2 | 2013-05-23Light-weight bipolar valve regulated lead acid batteries and methods therefor
#3 | 2012-07-19COMPOSITE CURRENT COLLECTOR AND METHODS THEREFOR
#4 | 2011-12-15Devices and Methods for Lead Acid Batteries
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